@num_questions 20 @vidwin 201 130 240 180 @question[999] 20,1,2 @question[1] 19,20,6 @question[2] 3,4,5 @question[3] 4,5,7 @question[4] 3,7,19 @question[5] 3,19,2 @question[6] 20,19,1 @question[7] 8,9,13 @question[8] 9,11,12 @question[9] 7,11,12 @question[10] 19,18,13 @question[11] 12,7,15 @question[12] 7,8,11 @question[13] 11,15,10 @question[14] 16,9,7 @question[15] 14,16,13 @question[16] 17,18,10 @question[17] 16,18,8 @question[18] 10,19,13 @question[19] 1,10,2 @question[20] 2,3,5